Surgical drill



FIG. 1 is a back and side perspective view of a surgical drill embodying our new design;

FIG. 2 is a front and side perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is an enlarged front view thereof;

FIG. 7 is an enlarged back view thereof; and,

FIG. 8 is a bottom view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a surgical drill, as shown and described. 